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A toolchain это набор инструментов необходимых для создания кода. Для Openmoko, мы предлагаем различные варианты для следующих целей использования:
You should be reasonably familiar with Linux and its command line tools, have an x86-compatible computer with at least 1G of free disk space. You should have experience with compiling programs from source using your local compiler. The remainder of this document will also assume you have write access in your home directory (~) and /usr/local/ (becoming root if needed). If any of this is not the case, please call your local administrator for help.
Last but not least you should have a working setup that allows you to compile native software packages using the autotools build system (the triade of ./configure, make, make install).
A (partial) list of required packages -- please append as necessary:
sudo apt-get install gcc g++ autoconf automake binutils libtool libglib2.0-dev \ ccache libxrender-dev intltool libmokoui2-dev libgconf2-dev mtools fakeroot alien check
sudo apt-get install uboot-mkimage
yum install gcc gcc-c++ autoconf automake binutils libtool glib2-devel \ ccache libXrender-devel intltool GConf2-devel mtools gettext-devel
Fedora-Core does not appear to have libmokoui2 available.
NOTE: If you wish to improve an existing Openmoko application and you are running Debian or Ubuntu i386 (i.e. you can install a .deb), you may wish to skip the below and instead use:
Openmoko application development in 5 minutes by Andreas Dalsgaard. (based on the 2007.2 stack) |
The prebuilt toolchain can be downloaded from downloads.openmoko.org:
mkdir ~/sources cd ~/sources
wget http://downloads.openmoko.org/toolchains/openmoko-x86_64-arm-linux-gnueabi-toolchain.tar.bz2 or wget http://downloads.openmoko.org/toolchains/openmoko-i686-arm-linux-gnueabi-toolchain.tar.bz2
NOTE: Several people have had problems with the latest toolchain built 20080521. If you experience errors, try an older version. (as of July 23, 2008) |
Next, you want to extract it on your filesystem. This toolchain is not relocatable, it needs to be installed into /usr/local/openmoko/. Now you have the following options:
cd / tar -xjvf ~/sources/openmoko-XYZ-arm-linux-gnueabi-toolchain.tar.bz2
bunzip2 openmoko-*-arm-linux-gnueabi-toolchain.tar.bz2 gzip openmoko-*-arm-linux-gnueabi-toolchain.tar fakeroot alien -d openmoko-*-arm-linux-gnueabi-toolchain.tar.gz sudo dpkg -i openmoko_*-arm-linux-gnueabi-toolchain*.deb
http://wiki.openmoko.org/index.php?title=Toolchain&action=submit
bitbake meta-toolchain-openmoko
Finally, everytime you want to use this toolchain, you need to alter some environment variables, so that your tools will be found. The toolchain provides a script to do that, so the only thing you need to do is to source it. Note that if you are not using a "sh" or "bash" shell (check with "echo $SHELL") that you need to start "sh" or "bash" first.
. /usr/local/openmoko/arm/setup-env
export PATH=$PATH:/usr/local/openmoko/arm/bin
Note: This is will only last for your current session. Add it to your shell startup scripts to make it permenant (~/.bashrc for instance).
Openmoko toolchain didn't include many libraries in default. However, it can download and install library what has already existed in Openmoko repository. (It refer to Testing Repository by default.)
. /usr/local/openmoko/arm/environment-setup
opkg-target update
opkg-target list |grep edje-dev
opkg-target install libedje-dev
In a chosen destination directory (in this example ~/):
cp -r /usr/local/openmoko/source/openmoko-sample2 ~/
. /usr/local/openmoko/arm/setup-env
om-conf openmoko-sample2
cd openmoko-sample2
make
If you want to install this project on host for staging usage later, a shared library, for example, you can do the following to install it into a given configured prefix.
om-conf --prefix=/usr/local/openmoko openmoko-sample2 cd openmoko-sample2 make install
In order to build your own project by using openmoko-sample2 files, some changes are needed:
cp -r /usr/local/openmoko/source/openmoko-sample2 ~/
mv openmoko-sample2 your-project-name cd your-project-name cd src rm *.c
cp your-sources . cd ..
PKG_NAME="your-project-name"
AC_INIT(your-project-name, 0.0.1, http://www.openmoko.org/) AC_CONFIG_SRCDIR(src/main.c)
cd data mv openmoko-sample.png your-project-name.png mv openmoko-sample.desktop your-project-name.desktop
dist_desktop_DATA = your-project-name.desktop dist_appicon_DATA = your-project-name.png
dist_desktop_DATA = your-project-name.desktop dist_appicon_DATA = your-project-name.png
Name=your-project-name Encoding=UTF-8 Version=0.0.1 Type=Application Exec=your-project-name
Icon=your-project-name
cd .. cd src
bin_PROGRAMS = your-project-name your_project_name_SOURCES = \ main.c your_project_name_LDADD = @DEPENDENCIES_LIBS@
We have included a script to make an ipkg out of your application. Note that this is not needed to test your application on the Neo (for that you can just scp the resulting binary and data over), however it's very handy if you want to distribute your application to others.
om-make-ipkg openmoko-sample2
Now you got openmoko-sample2_0.1_armv4t.ipk , you can `scp' it to your Neo and install it:
scp openmoko-sample2_0.1_armv4t.ipk root@192.168.0.202: ssh root@192.168.0.202 opkg install openmoko-sample2_0.1_armv4t.ipk
Note that while you can redistribute the generated ipkg, be aware that this is a bare-bones ipk that contains no further information, i.e. you will lack library dependencies. See below how to fix this.
You can also supply the version number, a description, and an author / contacts string in a control file:
om-make-ipkg myapp myapp_control
A template of myapp_control:
Package: $appname Version: 0.1 Description: package built by openmoko toolchain Section: openmoko/applications Priority: optional Maintainer: $USER Architecture: armv4t Homepage: http://www.openmoko.org/ Depends: Source: ${SRC}
Using the external toolchain is an easy way to build applications for your Neo. If you are familiar with this procedure, you might also want to look into
git clone git://git.openmoko.org/git/kernel.git linux-2.6 cd linux-2.6 git checkout -b mystable origin/stable cp defconfig-gta02 .config ./build
Will fail with error message "arm-angstrom-linux-gnueabi-ld: unrecognized option '-Wl,-rpath-link,/usr/local/openmoko/arm/arm-angstrom-linux-gnueabi/lib'" until /usr/local/openmoko/arm/setup-env is modified. LDFLAGS should be changed from:
export LDFLAGS="-L${OMTOOL_DIR}/arm/arm-angstrom-linux-gnueabi/lib -Wl,-rpath-link,${OMTOOL_DIR}/arm/arm-angstrom-linux-gnueabi/lib -Wl,-O1"
to:
export LDFLAGS="-L${OMTOOL_DIR}/arm/arm-angstrom-linux-gnueabi/lib -rpath-link ${OMTOOL_DIR}/arm/arm-angstrom-linux-gnueabi/lib -O1"
I also had to change the 'build' script to hardcode the path to the compiler.
Add the necessary libraries to the _LDADD field in src/Makefile.am, for example:
openmoko_sample2_LDADD = @DEPENDENCIES_LIBS@ -lmokogsmd2
make sure to run om-conf again after this.
Sooner or later you will want to compile an application that has dependencies which can't be fulfilled by the precompiled toolchain, e.g. some obscure libraries.
In that case, feel free to request the inclusion of additional libraries into the next release of the Openmoko toolchain. Until then, here is how you enhance your already installed toolchain. Say, we want to add the library called liburiparse:
cd ~/source wget http://downloads.sourceforge.net/uriparser/uriparser-0.6.0.tar.bz2 tar xjf uriparser-0.6.0.tar.bz2 cd uriparser-0.6.0 ./configure --host=arm-angstrom-linux-gnueabi \ --prefix=/usr/local/openmoko/arm/arm-angstrom-linux-gnueabi/usr make make install
That's it.
If you have written a cool application which you want to share with others, the best way to do that is to
See also Customizing the Openmoko Distribution.
Attached is a beta fix for the .la problem. Untar the .tar.bz2 as root, and execute the following bash script as root:
#!/bin/sh DIR=/usr/local/openmoko/arm for la in `find $DIR -iname \*.la`; do dependency_libs= . $la for lib in $dependency_libs ; do delib=`echo $lib | grep -E .la$` if [ -z $delib ] ; then echo -n elif [ -f $delib ]; then echo -n else basedelib=`basename $delib` replacedelibs=`find $DIR -iname $basedelib` found=0 for replacedelib in $replacedelibs ; do if [ $replacedelib == $delib ]; then found=1 fi done if [ $found -gt 0 ] ; then echo -n else sed_delib=`echo $delib | sed 's/\//\\\\\//g'` sed_replacedelib=`echo $replacedelib | sed 's/\//\\\\\//g'` # A bit slow, we could chain expressions for speed. :) cp $la $la.old cat $la | sed "s/$sed_delib/$sed_replacedelib/g" > $la.new mv $la.new $la rm $la.old fi fi done done